25328325 has 36 divisors (see below), whose sum is σ = 46045664. Its totient is φ = 12276000.

The previous prime is 25328323. The next prime is 25328357. The reversal of 25328325 is 52382352.

25328325 = 456² + 457² + ... + 554².

It is not a de Polignac number, because 25328325 - 2¹ = 25328323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25328292 and 25328301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25328323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7680 + ... + 10470.

Almost surely, 2^25328325 is an apocalyptic number.

25328325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25328325 is a deficient number, since it is larger than the sum of its proper divisors (20717339).

25328325 is a wasteful number, since it uses less digits than its factorization.

25328325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2810 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 25328325 is about 5032.7254047881. The cubic root of 25328325 is about 293.6762482721.

The spelling of 25328325 in words is "twenty-five million, three hundred twenty-eight thousand, three hundred twenty-five".